The most widespread wireless channel for communication networks is radio frequency (RF) signals.

Question

Quizplus · Accepted Answer

Radio frequency signals are indeed the most widespread wireless channel for communication networks, as they offer a cost-effective, efficient, and reliable means of transmitting data wirelessly over distances ranging from a few meters to several kilometers. RF signals are used in a variety of wireless communication systems, including cellular networks, Wi-Fi networks, Bluetooth, Zigbee, and RFID systems. They operate within a defined frequency range, typically between 3 kHz and 300 GHz, and are capable of transmitting high-speed data rates and supporting various applications, from voice and messaging services to video streaming and IoT connectivity.

The Most Widespread Wireless Channel for Communication Networks Is Radio